J-Quants Free MCP Server
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@J-Quants Free MCP ServerCompare the financial statements of Sony and Nintendo."
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
J-Quants Free MCP server
Model Context Protocol (MCP) サーバーで、無償版J-Quants APIのにアクセスするための機能を提供します。
ツール
このサーバーは以下のツールを提供しています:
search_company: 日本語のテキストから、上場銘柄を検索するget_daily_quotes: 銘柄コードから、日次の株価を取得するget_financial_statements: 銘柄コードから、財務諸表を取得する
Related MCP server: j-quants-doc-mcp
使い方
このサーバーを使用するには、J-Quants APIへの登録が必要です。以下の手順で取得できます:
J-Quants APIに登録
IDトークンを取得しして、
JQUANTS_ID_TOKEN環境変数に設定
Claude Desktop
On MacOS:
~/Library/Application\ Support/Claude/claude_desktop_config.jsonOn Windows:
%APPDATA%/Claude/claude_desktop_config.json
{
"mcpServers": {
"e-stat": {
"command": "uv",
"args": [
"--directory",
"/path/to/jquants-free-mcp-server",
"run",
"server.py"
],
"env": {
"JQUANTS_ID_TOKEN": "YOUR_JQUANTS_ID_TOKEN"
}
}
}
}{
"mcpServers": {
"e-stat": {
"command": "uvx",
"args": [
"jquants-free-mcp-server"
],
"env": {
"JQUANTS_ID_TOKEN": "YOUR_JQUANTS_ID_TOKEN"
}
}
}
}使用例
例えばClaudeに以下のような質問ができます:
"コメダとルノアールの自己資本比率を比較して"
"UUUMとカバーとANYCOLORの財務表を取得して、バランスシートを図にしてください。"
ライセンス
このプロジェクトはMITライセンスの下で提供されています
詳細はLICENSEファイルを参照してください。
This server cannot be deployed
Maintenance
Related MCP Connectors
Search Japanese subsidies and public company data using J-Grants, gBizINFO, and EDINET.
Japan export and import customs statistics (Ministry of Finance) by code. No API key required.
Access SEC filings, insider transactions, and financial data via the ShareSEER API.
Search Japanese companies, departments and hiring signals; export CSV/XLSX with authentication.
Related MCP Servers
- FlicenseNot gradedqualityDmaintenanceProvides real-time stock market data through Yahoo Finance without requiring an API key. Get quotes, historical data, company information, financial statements, and ticker search capabilities.-

j-quants-doc-mcpofficial
AlicenseAqualityDmaintenanceEnables searching J-Quants API endpoints, retrieving detailed documentation, generating executable sample code, and answering FAQs via MCP clients like Claude Desktop.716MIT- AlicenseBqualityCmaintenanceEnables AI assistants to access real-time Japanese and global stock market data, including quotes, charts, technical analysis, and market screening.77 npmMIT
- FlicenseNot gradedqualityBmaintenanceEnables fetching Japanese stock daily OHLCV data from J-Quants API and returning CSV files for ChatGPT to save into a specified Google Drive folder. It supports searching by ticker or company name and handles ambiguous matches without guessing.-